![](https://www.radelec.com/store/5-large_default/e-perm-test-kit.jpg)
![](https://www.radelec.com/store/5-large_default/e-perm-test-kit.jpg)
The E-PERM® Test Kit comes with two S-chambers, two short-term electrets, and either a deployment sleeve or tamper-resistant twin box. This is everything you need for a standard radon test deployment. The electrets are shipped with 725+ volts, ensuring long life and dozens of deployments under typical conditions.
The E-PERM® Test Kit contains everything you'll need to deploy a radon test:
2 S-Chambers
2 Short-Term (ST) Electrets
1 Deployment Sleeve or Tamper Resistant Twin Box